SM UB-1

SM U-10
History
German Empire
Name:	SM UB-1
Builder:	Germaniawerft, Kiel
Laid down:	1 November 1914
Launched:	22 January 1915
Commissioned:	29 January 1915
Fate:	transferred to Austria-Hungary, 4 June 1915
Service record as UB-1
Commanders:	Franz Wäger (January – June 1915)
Victories:	1 warship (120 GRT) sunk
Austria-Hungary
Name:	SM U-10
Acquired:	4 June 1915
Fate:	handed over as war reparations and scrapped, 1920
Service record as U-10
Commanders:	Karl Edler von Unczowski (July–September 1915) Leo Prásil (September 1915 – August 1916) Otto Molitor (August – December 1916) Hermann Rigele (December 1916 – June 1917) Albrecht Graf von Attems (June – July 1917) Robert Dürrial (July – November 1917) Andreas Korparic (November 1917 – March 1918) Friedrich Sterz (May 1918) Johann Ulmansky von Vracsevgaj (May – August 1918)
Victories:	None
General characteristics
Class and type:	German Type UB I submarine
Type:	U-10-class submarine
Displacement:	127 tonnes (125 long tons) surfaced 142 tonnes (140 long tons) submerged
Length:	28.10 m (92 ft 2 in) (o/a) 23.62 m (77 ft 6 in) pressure hull
Beam:	3.15 m (10 ft 4 in)
Draught:	3.03 m (9 ft 11 in)
Propulsion:	1 × shaft 1 × Daimler diesel engine, 60 bhp (45 kW) 1 × electric motor, 120 shp (89 kW)
Speed:	6.5 knots (12.0 km/h; 7.5 mph) surfaced 5.5 knots (10.2 km/h; 6.3 mph) submerged
Range:	1,650 nautical miles (3,060 km; 1,900 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced 45 nautical miles (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Complement:	17
Armament:	2 × 45 cm (17.7 in) torpedo tubes (both in front) 2 torpedoes 1 × 37 mm (1.5 in)/23 QF gun, October 1916 1 × 47 mm (1.9 in)/23 QF gun, November 1917

SM U-10 or U-X was the lead boat of the U-10 class of submarines for the Austro-Hungarian Navy (German: Kaiserliche und Königliche Kriegsmarine or K.u.K. Kriegsmarine) during World War I. She was originally a German Type UB I submarine commissioned into the German Imperial Navy (German: Kaiserliche Marine) as SM UB-1.

SM UB-1 was constructed in Germany and shipped by rail to Pola where she was assembled and launched in January 1915. She was commissioned into the German Imperial Navy later that same month and sank an Italian torpedo boat in June. The boat was handed over to Austria-Hungary and commissioned as SM U-10 in July. In May 1917, U-10 was fired upon by a British submarine, but both of the torpedoes that were launched missed. In July 1918, U-10 hit a mine and was beached with heavy damage. She was towed to Trieste for repairs which remained unfinished at the war's end. U-10 was handed over to Italy as a war reparation and scrapped in 1920.

U-10 was a small, coastal submarine that displaced 127 tonnes (125 long tons) surfaced and 142 tonnes (140 long tons) submerged. She featured a single shaft, a single 60 bhp (45 kW) Daimler diesel engine for surface running, and a single 120 shp (89 kW) electric motor for submerged travel.U-10 was capable of up to 6.5 knots (12.0 km/h; 7.5 mph) while surfaced and 5.5 knots (10.2 km/h; 6.3 mph) while submerged at a diving depth of up to 50 metres (160 ft). She was designed for a crew of 17 officers and men.

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